From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4EC02C433EF for ; Mon, 18 Oct 2021 10:21:59 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1A2A560FDC for ; Mon, 18 Oct 2021 10:21:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 1A2A560FDC Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=l6H+xWHI2buGGvGsIZb/A3dvICuo/7ewDE4S1/fqN/c=; b=nUOZjT8Pq/C4GhR9fEMN61L6u4 jevKqX6pDaZbpu030T7o+L6bfpHbNTj39+1tn1nzV0O9FsRPgdjBoEb1MO/zvGzmRIf0E6XReOkIL uf3deIU4kD4ukGUgcuYJHc99KTNz9vojvhiBcSTOBDwKyjA9cBxNosAAIWlY9Vz9PDo1qTES71ISa +XHEDxM7qOxlTE2LQtKHziEHb5mA0W5IXlk8+umiqoYHP0Tp8fCOV8le7V3kK218W9Dy4bqBQOwWC oqbP3VrqroH94uLj3pywUvbNi4tZVpew6hHmn9Z57Vgw5WJoN6hvCQ5SZSgclLzdiDuAP3nr1mkP7 E0ALOVYg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mcPmF-00Eyxh-Nj; Mon, 18 Oct 2021 10:21:55 +0000 Received: from [2001:4bb8:199:73c5:c70:4a89:bc61:2] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mcPco-00EuMJ-Sz; Mon, 18 Oct 2021 10:12:11 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Coly Li , Mike Snitzer , Song Liu , David Sterba , Josef Bacik , "Theodore Ts'o" , OGAWA Hirofumi , Dave Kleikamp , Ryusuke Konishi , Anton Altaparmakov , Konstantin Komarov , Kees Cook , Phillip Lougher , Jan Kara , linux-block@vger.kernel.org, dm-devel@redhat.com, drbd-dev@lists.linbit.com, linux-bcache@vger.kernel.org, linux-raid@vger.kernel.org, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, jfs-discussion@lists.sourceforge.net, linux-nfs@vger.kernel.org, linux-nilfs@vger.kernel.org, linux-ntfs-dev@lists.sourceforge.net, ntfs3@lists.linux.dev, reiserfs-devel@vger.kernel.org Subject: [PATCH 14/30] fat: use bdev_nr_sectors instead of open coding it Date: Mon, 18 Oct 2021 12:11:14 +0200 Message-Id: <20211018101130.1838532-15-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211018101130.1838532-1-hch@lst.de> References: <20211018101130.1838532-1-hch@lst.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Mon, 18 Oct 2021 03:14:03 -0700 X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org Use the proper helper to read the block device size. Signed-off-by: Christoph Hellwig Reviewed-by: Kees Cook --- fs/fat/inode.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/fs/fat/inode.c b/fs/fat/inode.c index de0c9b013a851..9f3cd03668adc 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -1536,14 +1536,11 @@ static int fat_read_static_bpb(struct super_block *sb, struct fat_bios_param_block *bpb) { static const char *notdos1x = "This doesn't look like a DOS 1.x volume"; - + sector_t bd_sects = bdev_nr_sectors(sb->s_bdev); struct fat_floppy_defaults *fdefaults = NULL; int error = -EINVAL; - sector_t bd_sects; unsigned i; - bd_sects = i_size_read(sb->s_bdev->bd_inode) / SECTOR_SIZE; - /* 16-bit DOS 1.x reliably wrote bootstrap short-jmp code */ if (b->ignored[0] != 0xeb || b->ignored[2] != 0x90) { if (!silent) -- 2.30.2